{"uid":"cap_jqWqsVfPJR2018A4UOuVY","slug":"mcentire-2025-face-drops-score-lyme-disease-facial-palsy-vs-bell-palsy-98a721dd","name":"McEntire 2025 FACE DROPS Score — Lyme Disease Facial Palsy vs Bell Palsy","description":"McEntire 2025 FACE DROPS: seven caller-assigned flags for acute Lyme disease-associated facial palsy versus Bell palsy. Fever +8, aches (arthralgia/myalgia) +6, cephalalgia +3, exhaustion +4, dermatomal or radicular pattern +4, otalgia or postauricular pain −1, stiff neck +3. Score −1 to 28. Scores ≤4 favor Bell palsy; ≥7 favor LDFP; 5–6 indeterminate. Not a Lyme test, diagnosis, serology order, or stroke FACE-DROPS mimic score. magent does not examine the face.","url":"https://api.magentlab.com/api/calc/face_drops","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"headers":{"type":"object","additionalProperties":{"type":"string"}},"queryParams":{"type":"object","required":["fever","aches","cephalalgia","exhaustion","dermatomal_or_radicular","otalgia_or_postauricular_pain","stiff_neck"],"properties":{"aches":{"type":"boolean","description":"Arthralgia or myalgia (McEntire 2025, +6 if true). true or false as assigned by the caller. magent does not examine the patient."},"fever":{"type":"boolean","description":"Fever (McEntire 2025, +8 if true). true or false as assigned by the caller. magent does not examine the patient or measure temperature."},"exhaustion":{"type":"boolean","description":"Unusual fatigue / exhaustion (McEntire 2025, +4 if true). true or false as assigned by the caller. magent does not examine the patient."},"stiff_neck":{"type":"boolean","description":"Stiff neck / nuchal rigidity (McEntire 2025, +3 if true). true or false as assigned by the caller. magent does not examine the patient."},"cephalalgia":{"type":"boolean","description":"Headache / cephalalgia (McEntire 2025, +3 if true). true or false as assigned by the caller. magent does not examine the patient."},"dermatomal_or_radicular":{"type":"boolean","description":"Dermatomal or radicular pattern (transverse myelitis or radiculitis) (McEntire 2025, +4 if true). true or false as assigned by the caller. magent does not examine the patient."},"otalgia_or_postauricular_pain":{"type":"boolean","description":"Otalgia or postauricular pain (McEntire 2025, −1 if true). true or false as assigned by the caller. magent does not examine the patient."}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_J9TRw6QRc9OCvkdgctiDz","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Computes the McEntire 2025 FACE DROPS clinical decision score to differentiate acute Lyme disease-associated facial palsy from Bell palsy based on seven caller-assigned symptom flags.","exampleAgentPrompt":"Run the FACE DROPS score for a patient with acute facial palsy — they have fever (yes), arthralgia/myalgia (yes), headache (yes), exhaustion (yes), dermatomal or radicular pattern (no), otalgia or postauricular pain (no), and stiff neck (yes). Does this favor Lyme disease facial palsy or Bell palsy?","exampleUseCases":[{"title":"ED triage of new facial palsy","prompt":"I have a patient in the ED with acute unilateral facial palsy. They have fever, muscle aches, and a stiff neck, but no ear pain, no headache, and no unusual fatigue, and no dermatomal pattern. Run the FACE DROPS score and tell me whether this looks more like Bell palsy or Lyme disease facial palsy."},{"title":"Telemedicine Lyme exposure evaluation","prompt":"A patient I'm seeing remotely has facial drooping and reports exhaustion and a headache, no fever, no joint pain, no stiff neck, no ear pain, and no dermatomal symptoms. Can you calculate the McEntire FACE DROPS score and let me know if the result is indeterminate or favors Bell palsy?"},{"title":"Clinical documentation decision support","prompt":"I need the FACE DROPS score calculated for chart documentation: the patient has fever yes, aches yes, cephalalgia no, exhaustion yes, dermatomal or radicular pattern yes, otalgia or postauricular pain yes, stiff neck no. What's the score and what category does it fall into?"}],"resultDescription":"Returns the integer FACE DROPS total score (range −1 to 28) and an interpretation: scores ≤4 favor Bell palsy, ≥7 favor Lyme disease-associated facial palsy (LDFP), and 5–6 are indeterminate. Does not perform examination, order serology, diagnose, or evaluate for stroke mimics.","failureModes":["Missing any of the seven required boolean query parameters returns a validation error","Passing non-boolean values for symptom flags causes a schema rejection","Network or payment authorization failure (x402) returns a 402 Payment Required response","Score is indeterminate (5–6) — no definitive guidance returned, caller must use clinical judgment"],"whenToPreferThis":"Use this endpoint when a clinician or agent has already assessed the seven FACE DROPS symptom flags for a patient with acute facial palsy and needs the McEntire 2025 arithmetic score and categorical interpretation (Bell palsy vs Lyme facial palsy vs indeterminate). This is not a Lyme diagnostic test, serology orderer, or stroke screening tool — choose a different endpoint or service for those needs.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T01:20:46.215Z","isFirstParty":false}